Number of compositions of odd natural numbers into 7 parts <=n.

Terms

a(0) =0a(1) =64a(2) =1093a(3) =8192a(4) =39062a(5) =139968a(6) =411771a(7) =1048576a(8) =2391484a(9) =5000000a(10) =9743585a(11) =17915904a(12) =31374258a(13) =52706752a(14) =85429687a(15) =134217728a(16) =205169336a(17) =306110016a(18) =446935869a(19) =640000000a(20) =900544270a(21) =1247178944a(22) =1702412723a(23) =2293235712a(24) =3051757812a(25) =4015905088